You can drink water half an hour after drinking Chinese medicine. Dietary contraindications for taking medicine mainly include four points: avoid affecting the efficacy of treatment, avoid producing adverse reactions, avoid inducing existing diseases or causing new diseases. 1. Avoid affecting the therapeutic effect. Generally in the drug period, should avoid eating cold, greasy, spicy, indigestible and special stimulating food, so as not to impede the function of the spleen and stomach, affecting the absorption of drugs, so that the therapeutic efficacy of the drug is reduced. 2. Avoid adverse reactions. For example, it is not suitable to make the gentleman, Poria cocos and tea used together, taking sheep horse Guanzhong should avoid oil, etc.. 3. Avoid inducing the original disease or cause new diseases. For example, edema nephropathy should be avoided to take too much salt content, acid and spicy too much food. Such as skin, sores and other diseases patients should try to avoid eating shrimp, fish and other fishy food and stimulate spicy food. Therefore, when taking traditional Chinese medicine, it is recommended to take under the guidance of a physician to follow the dietary taboos of taking medicine.